The prescription lenses are ideal for those suffering from myopia. They are made of tempered glass and built to be mounted exclusively on the dive mask models Big Eyes Evolution and Quantum. They are sold individually and are different for the left and right eye, so choose the correct side and diopter. Details Available lenses: Left -1.0, -1.5, -2.0, -2.5, -3.0, -3.5, -4.0, -4.5, -5.0, -5.5, -6.0; Right -1.0, -1.5, -2.0, -2.5, -3.0, -3.5, -4.0, -4.5, -5.0, -5.5, -6.0; Optical lenses fit Big Eyes Evolution and Quantum masks To correct for myopia. Specifications: Weight 0.0661 lb Reviews There are no reviews yet. Be the first to review “Cressi Optical Lens For Big Eyes Evolution Or Quantum Masks” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.